Diagnostics for secure authentication – Rockwell Automation 1766-Lxxxx MicroLogix 1400 Programmable Controllers User Manual User Manual
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Rockwell Automation Publication 1766-UM001H-EN-P - May 2014
Appendix F MicroLogix 1400 Distributed Network Protocol (DNP3)
If the data file is not configured in the parameter Diagnostic File Number of the
"Chan. 1 - DNP3" configuration, the "Channel 1 - Ext" dialog box will be shown
as below.
Diagnostics for Secure Authentication
This feature is supported only in MicroLogix 1400 Series B controllers.
Counters in DNP3 Slave Secure Authentication subsystem are logged in the Data
File. The data file is configured in the parameter Diagnostic File Number in
Secure Authentication. The following table shows the 150 words of the data file
for the troubleshooting.
The 50 words are used to log the counters for each channel. Word offset 0 to 49 is
for Channel 0, word offset 50 to 99 is for Channel 1 and word offset 100 to 149 is
for Channel 2.
Words 6 to 49, 56 to 99, and 106 to 149 are the event counter for Challenger
State Machine which is stated in the DNP3 Specification, Supplement to Volume
2, Secure Authentication, Version 2.00.
Word Offset
Current State
Description
CH0
CH1
CH2
0
50
100
Security Idle/Wait for Reply
Authentication Error Counter
1
51
101
Security Idle/Wait for Reply
Reserved
2
52
102
Security Idle/Wait for Reply
Reserved
3
53
103
Security Idle/Wait for Reply
Reserved
4
54
104
Security Idle/Wait for Reply
Reserved
5
55
105
Security Idle/Wait for Reply
Reserved
6
56
106
Security Idle
Event Counter for Rx Unsolicited Non-Critical ASDU
7
57
107
Security Idle
Event Counter for Rx Non-Critical ASDU
8
58
108
Security Idle
Event Counter for Rx Critical ASDU